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Finding the Fourth Proportional to 246.59, 338.64 and 211.62

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Solution

The fourth proportional to 246.59, 338.64 and 211.62 is: 290.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.59 : 338.64 = 211.62 : x
  2. Step 2: Convert to fraction form
    246.59/338.64 = 211.62/x
  3. Step 3: Cross multiply
    246.59x = 338.64 × 211.62
  4. Step 4: Simplify right side
    246.59x = 71,663.00
  5. Step 5: Solve for x
    x = 71,663.00/246.59
  6. Step 6: Final answer
    x = 290.62

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.